The Best Greasemonkey AlternativesTop Userscript Managers and other similar apps like Greasemonkey

Greasemonkey is described as 'Firefox extension that allows you to customize the way webpages look and function' and is a very popular userscript manager in the web browsers category. There are more than 10 alternatives to Greasemonkey for a variety of platforms, including Mac, Mozilla Firefox, Windows, Linux and Google Chrome apps. The best Greasemonkey alternative is Violentmonkey, which is both free and Open Source. Other great apps like Greasemonkey are Tampermonkey, FireMonkey, Launchlet and Greasemonkey Port.

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Alternatives list

  1. Violentmonkey icon

    Violentmonkey

     80 likes

    Violentmonkey provides userscript support for Chrome, Opera, Maxthon and Firefox supporting most scripts for Greasemonkey and Tampermonkey.

    12 Violentmonkey alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    Popup menu
     
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    1
    Comments about Violentmonkey as an Alternative to Greasemonkey
    Guest
    Positive
    7

    Open source, supports many browsers.

    Review by a new / low-activity user.
    Violentmonkey icon
    Violentmonkey icon
    • Violentmonkey is Free and Open SourceGreasemonkey is also Free and Open Source
    • Violentmonkey is LightweightGreasemonkey is not according to our users
  2. Tampermonkey icon

    Tampermonkey

     132 likes

    Tampermonkey is a free browser extension and the most popular userscript manager for Blink- and WebKit-based Browsers like Chrome, Opera Next and Safari.

    11 Tampermonkey alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Microsoft Edge
    • Google Chrome
    • Opera
    • Chromium
    • Firefox
    Tampermonkey screenshot 1
     
  4. FireMonkey icon

    FireMonkey

     6 likes

    Firemonkey is a totally new combined user-Scripts and user-Style manager. While it has similar functions to other user-Script managers like GreaseMonkey/Tampermonkey/Violentmonkey, and user-CSS managers like Stylish/Stylus/xStyle, there are also differences.

    10 FireMonkey alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Firefox
    FireMonkey screenshot 1
     
  5. Launchlet icon

    Launchlet

     1 like

    Customize the web with JavaScript or CSS.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • RemoteStorage
    Launchlet screenshot 1
     
  6. Greasemonkey Port icon

    Greasemonkey Port

     Like

    Greasemonkey Port is a userscript manager for SeaMonkey, originally written by Aaron Boodman and currently SeaMonkey front-end maintained by Marti, Ratty and/or Farby with some backend support from Anthony Lieuallen and Johan Sundström.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • SeaMonkey
    Greasemonkey Port screenshot 1
     
  7. Makeover - Custom CSS icon

    Makeover - Custom CSS

     2 likes

    Makeover lets you change the appearance and behavior of web pages with CSS and JavaScript. To use it, you go to a web page you want to customize, tap the Makeover icon, and paste the code into the text field.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • iPhone
    • iPad
    Makeover - Custom CSS screenshot 1
     
  10. Powerlet icon

    Powerlet

     2 likes

    Quickly find and run your bookmarklets.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Chrome OS
    • Google Chrome
    • Firefox
    Powerlet screenshot 1
     
  11. Macaque icon

    Macaque

     1 like

    Macaque is a UserScript Manager Browser Extension. Macaque provides you the ability to add, edit, remotely edit, as well as view the console logs for each UserScript!.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    Macaque screenshot 1
     
  12. Man in the Middle icon

    Man in the Middle

     4 likes

    Modify requests, inject JavaScript and CSS into pages.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • UC Browser
    • CentBrowser
    • Google Chrome
    • Yandex.Browser
    • Opera
    • Chromium
    • Firefox
    Use Blocking Rules to block or redirect requests.
     
  13. Frida icon

    Frida

     Like

    Frida is a free open-source dynamic instrumentation toolkit for developers, reverse engineers, and security researchers created and supported by NowSecure researchers.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Self-Hosted
    • Python
    • Node.JS
    • npm
    Frida screenshot 1
     
  14. Dwarf Debugger icon

    Dwarf Debugger

     Like

    Full featured multi arch/os debugger. The purpose of Dwarf is to simplify tasks while doing reverse engineering, cracking and security analysis on a process running on a mobile phone running either Android or iOS.

    Cost / License

    Platforms

    • Windows
    • Linux
    Dwarf Debugger screenshot 1
     
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